/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <api.h>
#include <llama.h>

#include "./creator.h"
#include "qwen/model.h"
#include "qwen/session.h"

namespace OHOS {
namespace llamacpp {

static bool g_isInited = false;

#define TAG "[llamacpp] "
#define LLAMACPP_MODEL_DIR "/data/local/tmp"

bool Init()
{
    if (g_isInited) {
        return true;
    }
    std::filesystem::path root(LLAMACPP_MODEL_DIR);

    llama_backend_init();

    auto ret = SmartServe::RegisterModelCreator(
                   std::make_unique<ModelCreator<QwenModelAdapter>>("qwen3-0.6b", root / "Qwen3-0.6B-Q8_0.gguf")) &&
               SmartServe::RegisterSessionCreator(std::make_unique<SessionCreator<QwenSessionAdapter>>(
                   "qwen3-0.6b", std::vector<std::string>{"qwen3-0.6b"}));

    if (!ret) {
        SMART_SERVE_LOGE(TAG "init failed");
    } else {
        g_isInited = true;
    }
    return ret;
}

void Finalize()
{
    if (!g_isInited) {
        return;
    }

    SmartServe::UnRegisterSessionCreator("qwen3-0.6b");
    SmartServe::UnRegisterModelCreator("qwen3-0.6b");

    llama_backend_free();
    g_isInited = false;
}

#undef TAG

} // namespace llamacpp
} // namespace OHOS
